Tildee is the perfect solution.
If you wish to modify this tutorial then entering in your email address is required. A username and password will need to be selected. Once registered your Tildee can also be deleted. There does not appear to be any age restrictions. The policy of what may be posted is very strict and provides for a safe setting.
There is a search function if a user wishes to see other Tildee creations.
At the Tildee home page new Tildees, the best Tildees, your tutorials, your favorite tutorials and a newsfeed option can be chosen.
This is the first of many Tildees that I plan on creating. Just click the link to find instructions to get materials to the Charlevoix Public Library by using MEL, the Michigan eLibrary.